Phil Mickelson of the U.S. celebrates making a birdie putt on the 18th green during first round play of the 2019 Masters golf tournament at Augusta National Golf Club in Augusta, Georgia, U.S., April 11, 2019. REUTERS/Lucy Nicholson

Phil Mickelson of the U.S. celebrates making a birdie putt on the 18th green during first round play of the 2019 Masters golf tournament at Augusta National Golf Club in Augusta, Georgia, U.S., April 11, 2019. REUTERS/Lucy Nicholson